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USPTO Patent Rankings Data through Dec 31, 2025
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F. William Coffman — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Toronto, CA: #2,055 of 9,482 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
F. William Coffman has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1990 and the most recent in April 1998. F. William Coffman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list F. William Coffman in Toronto, ON, CA.

Patents per Year

Patents granted per year, 1990 to 1998Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19901993: 1 patents19931997: 1 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D393300 Apparatus for collecting objects from a surface of play Rod Andrews, Wally Stankov, Paul L. Arato, Jason Breem 1998-04-07
5653890 Bicycle storage system Paul Arato 1997-08-05
5206960 Dual flush toilet control mechanism Robert L. Hooshley, Paul Arato 1993-05-04
D311305 Food slicer Galina Melamenchuk, Paul Arato 1990-10-16